Home / 129,310.88-193,966.32-35,816.62

Finding the Fourth Proportional to 129,310.88, 193,966.32 and 35,816.62

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Solution

The fourth proportional to 129,310.88, 193,966.32 and 35,816.62 is: 53,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,310.88 : 193,966.32 = 35,816.62 : x
  2. Step 2: Convert to fraction form
    129,310.88/193,966.32 = 35,816.62/x
  3. Step 3: Cross multiply
    129,310.88x = 193,966.32 × 35,816.62
  4. Step 4: Simplify right side
    129,310.88x = 6,947,217,976.24
  5. Step 5: Solve for x
    x = 6,947,217,976.24/129,310.88
  6. Step 6: Final answer
    x = 53,724.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.